Staging
v0.5.1
v0.5.1
Revision f1b94134a4b879bc55c3dacdb496690c8ebdc03f authored by Vikram Fugro on 11 March 2016, 12:16:11 UTC, committed by Jean-Baptiste Kempf on 11 March 2016, 14:57:34 UTC
Allocate the output vlc pictures with dimensions padded, as requested by the decoder (for alignments). This further increases the chances of direct rendering. Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>
1 parent 6c813cb
araw.c
/*****************************************************************************
* araw.c: Pseudo audio decoder; for raw pcm data
*****************************************************************************
* Copyright (C) 2001, 2003 VLC authors and VideoLAN
* $Id$
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <math.h>
#include <assert.h>
#include <vlc_common.h>
#include <vlc_plugin.h>
#include <vlc_codec.h>
#include <vlc_aout.h>
/*****************************************************************************
* Module descriptor
*****************************************************************************/
static int DecoderOpen ( vlc_object_t * );
static void DecoderClose( vlc_object_t * );
#ifdef ENABLE_SOUT
static int EncoderOpen ( vlc_object_t * );
#endif
vlc_module_begin ()
/* audio decoder module */
set_description( N_("Raw/Log Audio decoder") )
set_capability( "decoder", 100 )
set_category( CAT_INPUT )
set_subcategory( SUBCAT_INPUT_ACODEC )
set_callbacks( DecoderOpen, DecoderClose )
#ifdef ENABLE_SOUT
/* audio encoder submodule */
add_submodule ()
set_description( N_("Raw audio encoder") )
set_capability( "encoder", 150 )
set_callbacks( EncoderOpen, NULL )
#endif
vlc_module_end ()
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static block_t *DecodeBlock( decoder_t *, block_t ** );
static void Flush( decoder_t * );
struct decoder_sys_t
{
void (*decode) (void *, const uint8_t *, unsigned);
size_t framebits;
date_t end_date;
};
static const uint16_t pi_channels_maps[] =
{
0,
AOUT_CHAN_CENTER, AOUT_CHANS_2_0, AOUT_CHANS_3_0,
AOUT_CHANS_4_0, AOUT_CHANS_5_0, AOUT_CHANS_5_1,
AOUT_CHANS_7_0, AOUT_CHANS_7_1, AOUT_CHANS_8_1,
};
static void S8Decode( void *, const uint8_t *, unsigned );
static void U16BDecode( void *, const uint8_t *, unsigned );
static void U16LDecode( void *, const uint8_t *, unsigned );
static void S16IDecode( void *, const uint8_t *, unsigned );
static void S20BDecode( void *, const uint8_t *, unsigned );
static void U24BDecode( void *, const uint8_t *, unsigned );
static void U24LDecode( void *, const uint8_t *, unsigned );
static void S24BDecode( void *, const uint8_t *, unsigned );
static void S24LDecode( void *, const uint8_t *, unsigned );
static void S24B32Decode( void *, const uint8_t *, unsigned );
static void S24L32Decode( void *, const uint8_t *, unsigned );
static void U32BDecode( void *, const uint8_t *, unsigned );
static void U32LDecode( void *, const uint8_t *, unsigned );
static void S32IDecode( void *, const uint8_t *, unsigned );
static void F32NDecode( void *, const uint8_t *, unsigned );
static void F32IDecode( void *, const uint8_t *, unsigned );
static void F64NDecode( void *, const uint8_t *, unsigned );
static void F64IDecode( void *, const uint8_t *, unsigned );
static void DAT12Decode( void *, const uint8_t *, unsigned );
/*****************************************************************************
* DecoderOpen: probe the decoder and return score
*****************************************************************************/
static int DecoderOpen( vlc_object_t *p_this )
{
decoder_t *p_dec = (decoder_t*)p_this;
vlc_fourcc_t format = p_dec->fmt_in.i_codec;
switch( p_dec->fmt_in.i_codec )
{
case VLC_FOURCC('a','r','a','w'):
case VLC_FOURCC('a','f','l','t'):
/* _signed_ big endian samples (mov) */
case VLC_FOURCC('t','w','o','s'):
/* _signed_ little endian samples (mov) */
case VLC_FOURCC('s','o','w','t'):
format =
vlc_fourcc_GetCodecAudio( p_dec->fmt_in.i_codec,
p_dec->fmt_in.audio.i_bitspersample );
if( !format )
{
msg_Err( p_dec, "bad parameters(bits/sample)" );
return VLC_EGENERIC;
}
break;
}
void (*decode) (void *, const uint8_t *, unsigned) = NULL;
uint_fast8_t bits;
switch( format )
{
#ifdef WORDS_BIGENDIAN
case VLC_CODEC_F64L:
#else
case VLC_CODEC_F64B:
#endif
format = VLC_CODEC_FL64;
decode = F64IDecode;
bits = 64;
break;
case VLC_CODEC_FL64:
decode = F64NDecode;
bits = 64;
break;
#ifdef WORDS_BIGENDIAN
case VLC_CODEC_F32L:
#else
case VLC_CODEC_F32B:
#endif
format = VLC_CODEC_FL32;
decode = F32IDecode;
bits = 32;
break;
case VLC_CODEC_FL32:
decode = F32NDecode;
bits = 32;
break;
case VLC_CODEC_U32B:
format = VLC_CODEC_S32N;
decode = U32BDecode;
bits = 32;
break;
case VLC_CODEC_U32L:
format = VLC_CODEC_S32N;
decode = U32LDecode;
bits = 32;
break;
case VLC_CODEC_S32I:
format = VLC_CODEC_S32N;
decode = S32IDecode;
case VLC_CODEC_S32N:
bits = 32;
break;
case VLC_CODEC_S24B32:
format = VLC_CODEC_S32N;
decode = S24B32Decode;
bits = 32;
break;
case VLC_CODEC_S24L32:
format = VLC_CODEC_S32N;
decode = S24L32Decode;
bits = 32;
break;
case VLC_CODEC_U24B:
format = VLC_CODEC_S32N;
decode = U24BDecode;
bits = 24;
break;
case VLC_CODEC_U24L:
format = VLC_CODEC_S32N;
decode = U24LDecode;
bits = 24;
break;
case VLC_CODEC_S24B:
format = VLC_CODEC_S32N;
decode = S24BDecode;
bits = 24;
break;
case VLC_CODEC_S24L:
format = VLC_CODEC_S32N;
decode = S24LDecode;
bits = 24;
break;
case VLC_CODEC_S20B:
format = VLC_CODEC_S32N;
decode = S20BDecode;
bits = 20;
break;
case VLC_CODEC_U16B:
format = VLC_CODEC_S16N;
decode = U16BDecode;
bits = 16;
break;
case VLC_CODEC_U16L:
format = VLC_CODEC_S16N;
decode = U16LDecode;
bits = 16;
break;
case VLC_CODEC_S16I:
format = VLC_CODEC_S16N;
decode = S16IDecode;
case VLC_CODEC_S16N:
bits = 16;
break;
case VLC_CODEC_DAT12:
format = VLC_CODEC_S16N;
decode = DAT12Decode;
bits = 12;
break;
case VLC_CODEC_S8:
decode = S8Decode;
format = VLC_CODEC_U8;
case VLC_CODEC_U8:
bits = 8;
break;
default:
return VLC_EGENERIC;
}
if( p_dec->fmt_in.audio.i_channels <= 0 ||
p_dec->fmt_in.audio.i_channels > AOUT_CHAN_MAX )
{
msg_Err( p_dec, "bad channels count (1-%i): %i",
AOUT_CHAN_MAX, p_dec->fmt_in.audio.i_channels );
return VLC_EGENERIC;
}
if( p_dec->fmt_in.audio.i_rate <= 0 )
{
msg_Err( p_dec, "bad samplerate: %d Hz", p_dec->fmt_in.audio.i_rate );
return VLC_EGENERIC;
}
msg_Dbg( p_dec, "samplerate:%dHz channels:%d bits/sample:%d",
p_dec->fmt_in.audio.i_rate, p_dec->fmt_in.audio.i_channels,
p_dec->fmt_in.audio.i_bitspersample );
/* Allocate the memory needed to store the decoder's structure */
decoder_sys_t *p_sys = malloc(sizeof(*p_sys));
if( unlikely(p_sys == NULL) )
return VLC_ENOMEM;
/* Set output properties */
p_dec->fmt_out.i_cat = AUDIO_ES;
p_dec->fmt_out.i_codec = format;
p_dec->fmt_out.audio.i_format = format;
p_dec->fmt_out.audio.i_rate = p_dec->fmt_in.audio.i_rate;
if( p_dec->fmt_in.audio.i_physical_channels )
p_dec->fmt_out.audio.i_physical_channels =
p_dec->fmt_in.audio.i_physical_channels;
else
p_dec->fmt_out.audio.i_physical_channels =
pi_channels_maps[p_dec->fmt_in.audio.i_channels];
if( p_dec->fmt_in.audio.i_original_channels )
p_dec->fmt_out.audio.i_original_channels =
p_dec->fmt_in.audio.i_original_channels;
else
p_dec->fmt_out.audio.i_original_channels =
p_dec->fmt_out.audio.i_physical_channels;
aout_FormatPrepare( &p_dec->fmt_out.audio );
p_sys->decode = decode;
p_sys->framebits = bits * p_dec->fmt_out.audio.i_channels;
assert( p_sys->framebits );
date_Init( &p_sys->end_date, p_dec->fmt_out.audio.i_rate, 1 );
date_Set( &p_sys->end_date, 0 );
p_dec->pf_decode_audio = DecodeBlock;
p_dec->pf_flush = Flush;
p_dec->p_sys = p_sys;
return VLC_SUCCESS;
}
/*****************************************************************************
* Flush:
*****************************************************************************/
static void Flush( decoder_t *p_dec )
{
decoder_sys_t *p_sys = p_dec->p_sys;
date_Set( &p_sys->end_date, 0 );
}
/****************************************************************************
* DecodeBlock: the whole thing
****************************************************************************
* This function must be fed with whole samples (see nBlockAlign).
****************************************************************************/
static block_t *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
{
decoder_sys_t *p_sys = p_dec->p_sys;
if( pp_block == NULL )
return NULL;
block_t *p_block = *pp_block;
if( p_block == NULL )
return NULL;
*pp_block = NULL;
if( p_block->i_flags & BLOCK_FLAG_CORRUPTED )
goto skip;
if( p_block->i_flags & BLOCK_FLAG_DISCONTINUITY )
Flush( p_dec );
if( p_block->i_pts > VLC_TS_INVALID &&
p_block->i_pts != date_Get( &p_sys->end_date ) )
{
date_Set( &p_sys->end_date, p_block->i_pts );
}
else if( !date_Get( &p_sys->end_date ) )
/* We've just started the stream, wait for the first PTS. */
goto skip;
unsigned samples = (8 * p_block->i_buffer) / p_sys->framebits;
if( samples == 0 )
goto skip;
if( p_sys->decode != NULL )
{
block_t *p_out = decoder_NewAudioBuffer( p_dec, samples );
if( p_out == NULL )
goto skip;
p_sys->decode( p_out->p_buffer, p_block->p_buffer,
samples * p_dec->fmt_in.audio.i_channels );
block_Release( p_block );
p_block = p_out;
}
else
{
decoder_UpdateAudioFormat( p_dec );
p_block->i_nb_samples = samples;
p_block->i_buffer = samples * (p_sys->framebits / 8);
}
p_block->i_pts = date_Get( &p_sys->end_date );
p_block->i_length = date_Increment( &p_sys->end_date, samples )
- p_block->i_pts;
return p_block;
skip:
block_Release( p_block );
return NULL;
}
static void S8Decode( void *outp, const uint8_t *in, unsigned samples )
{
uint8_t *out = outp;
for( size_t i = 0; i < samples; i++ )
out[i] = in[i] ^ 0x80;
}
static void U16BDecode( void *outp, const uint8_t *in, unsigned samples )
{
uint16_t *out = outp;
for( size_t i = 0; i < samples; i++ )
{
*(out++) = GetWBE( in ) - 0x8000;
in += 2;
}
}
static void U16LDecode( void *outp, const uint8_t *in, unsigned samples )
{
uint16_t *out = outp;
for( size_t i = 0; i < samples; i++ )
{
*(out++) = GetWLE( in ) - 0x8000;
in += 2;
}
}
static void S16IDecode( void *out, const uint8_t *in, unsigned samples )
{
swab( in, out, samples * 2 );
}
static void S20BDecode( void *outp, const uint8_t *in, unsigned samples )
{
int32_t *out = outp;
while( samples >= 2 )
{
uint32_t dw = U32_AT(in);
in += 4;
*(out++) = dw & ~0xFFF;
*(out++) = (dw << 20) | (*in << 12);
in++;
samples -= 2;
}
/* No U32_AT() for the last odd sample: avoid off-by-one overflow! */
if( samples )
*(out++) = (U16_AT(in) << 16) | ((in[2] & 0xF0) << 8);
}
static void U24BDecode( void *outp, const uint8_t *in, unsigned samples )
{
uint32_t *out = outp;
for( size_t i = 0; i < samples; i++ )
{
uint32_t s = ((in[0] << 24) | (in[1] << 16) | (in[2] << 8)) - 0x80000000;
*(out++) = s;
in += 3;
}
}
static void U24LDecode( void *outp, const uint8_t *in, unsigned samples )
{
uint32_t *out = outp;
for( size_t i = 0; i < samples; i++ )
{
uint32_t s = ((in[2] << 24) | (in[1] << 16) | (in[0] << 8)) - 0x80000000;
*(out++) = s;
in += 3;
}
}
static void S24BDecode( void *outp, const uint8_t *in, unsigned samples )
{
uint32_t *out = outp;
for( size_t i = 0; i < samples; i++ )
{
uint32_t s = ((in[0] << 24) | (in[1] << 16) | (in[2] << 8));
*(out++) = s;
in += 3;
}
}
static void S24LDecode( void *outp, const uint8_t *in, unsigned samples )
{
uint32_t *out = outp;
for( size_t i = 0; i < samples; i++ )
{
uint32_t s = ((in[2] << 24) | (in[1] << 16) | (in[0] << 8));
*(out++) = s;
in += 3;
}
}
static void S24B32Decode( void *outp, const uint8_t *in, unsigned samples )
{
uint32_t *out = outp;
for( size_t i = 0; i < samples; i++ )
{
*(out++) = GetDWBE( in ) << 8;
in += 4;
}
}
static void S24L32Decode( void *outp, const uint8_t *in, unsigned samples )
{
uint32_t *out = outp;
for( size_t i = 0; i < samples; i++ )
{
*(out++) = GetDWLE( in ) << 8;
in += 4;
}
}
static void U32BDecode( void *outp, const uint8_t *in, unsigned samples )
{
uint32_t *out = outp;
for( size_t i = 0; i < samples; i++ )
{
*(out++) = GetDWBE( in ) - 0x80000000;
in += 4;
}
}
static void U32LDecode( void *outp, const uint8_t *in, unsigned samples )
{
uint32_t *out = outp;
for( size_t i = 0; i < samples; i++ )
{
*(out++) = GetDWLE( in ) - 0x80000000;
in += 4;
}
}
static void S32IDecode( void *outp, const uint8_t *in, unsigned samples )
{
int32_t *out = outp;
for( size_t i = 0; i < samples; i++ )
{
#ifdef WORDS_BIGENDIAN
*(out++) = GetDWLE( in );
#else
*(out++) = GetDWBE( in );
#endif
in += 4;
}
}
static void F32NDecode( void *outp, const uint8_t *in, unsigned samples )
{
float *out = outp;
for( size_t i = 0; i < samples; i++ )
{
memcpy( out, in, sizeof(float) );
if( unlikely(!isfinite(*out)) )
*out = 0.f;
out++;
in += sizeof(float);
}
}
static void F32IDecode( void *outp, const uint8_t *in, unsigned samples )
{
float *out = outp;
for( size_t i = 0; i < samples; i++ )
{
union { float f; uint32_t u; } s;
#ifdef WORDS_BIGENDIAN
s.u = GetDWLE( in );
#else
s.u = GetDWBE( in );
#endif
if( unlikely(!isfinite(s.f)) )
s.f = 0.f;
*(out++) = s.f;
in += 4;
}
}
static void F64NDecode( void *outp, const uint8_t *in, unsigned samples )
{
double *out = outp;
for( size_t i = 0; i < samples; i++ )
{
memcpy( out, in, sizeof(double) );
if( unlikely(!isfinite( *out )) )
*out = 0.;
out++;
in += sizeof(double);
}
}
static void F64IDecode( void *outp, const uint8_t *in, unsigned samples )
{
double *out = outp;
for( size_t i = 0; i < samples; i++ )
{
union { double d; uint64_t u; } s;
#ifdef WORDS_BIGENDIAN
s.u = GetQWLE( in );
#else
s.u = GetQWBE( in );
#endif
if( unlikely(!isfinite( s.d )) )
s.d = 0.;
*(out++) = s.d;
in += 8;
}
}
static int16_t dat12tos16( uint_fast16_t y )
{
static const uint16_t diff[16] = {
0x0000, 0x0000, 0x0100, 0x0200, 0x0300, 0x0400, 0x0500, 0x0600,
0x0A00, 0x0B00, 0x0C00, 0x0D00, 0x0E00, 0x0F00, 0x1000, 0x1000 };
static const uint8_t shift[16] = {
0, 0, 1, 2, 3, 4, 5, 6, 6, 5, 4, 3, 2, 1, 0, 0 };
assert(y < 0x1000);
int d = y >> 8;
return (y - diff[d]) << shift[d];
}
static void DAT12Decode( void *outp, const uint8_t *in, unsigned samples )
{
int32_t *out = outp;
while( samples >= 2 )
{
*(out++) = dat12tos16(U16_AT(in) >> 4);
*(out++) = dat12tos16(U16_AT(in + 1) & ~0xF000);
in += 3;
samples -= 2;
}
if( samples )
*(out++) = dat12tos16(U16_AT(in) >> 4);
}
/*****************************************************************************
* DecoderClose: decoder destruction
*****************************************************************************/
static void DecoderClose( vlc_object_t *p_this )
{
decoder_t *p_dec = (decoder_t *)p_this;
free( p_dec->p_sys );
}
#ifdef ENABLE_SOUT
/* NOTE: Output buffers are always aligned since they are allocated by the araw plugin.
* Contrary to the decoder, the encoder can also assume that input buffers are aligned,
* since decoded audio blocks must always be aligned. */
static void U16IEncode( void *outp, const uint8_t *inp, unsigned samples )
{
const uint16_t *in = (const uint16_t *)inp;
uint16_t *out = outp;
for( size_t i = 0; i < samples; i++ )
*(out++) = bswap16( *(in++) + 0x8000 );
}
static void U16NEncode( void *outp, const uint8_t *inp, unsigned samples )
{
const uint16_t *in = (const uint16_t *)inp;
uint16_t *out = outp;
for( size_t i = 0; i < samples; i++ )
*(out++) = *(in++) + 0x8000;
}
static void U24BEncode( void *outp, const uint8_t *inp, unsigned samples )
{
const uint32_t *in = (const uint32_t *)inp;
uint8_t *out = outp;
for( size_t i = 0; i < samples; i++ )
{
uint32_t s = *(in++);
*(out++) = (s >> 24) + 0x80;
*(out++) = (s >> 16);
*(out++) = (s >> 8);
}
}
static void U24LEncode( void *outp, const uint8_t *inp, unsigned samples )
{
const uint32_t *in = (const uint32_t *)inp;
uint8_t *out = outp;
for( size_t i = 0; i < samples; i++ )
{
uint32_t s = *(in++);
*(out++) = (s >> 8);
*(out++) = (s >> 16);
*(out++) = (s >> 24) + 0x80;
}
}
static void S24BEncode( void *outp, const uint8_t *inp, unsigned samples )
{
const uint32_t *in = (const uint32_t *)inp;
uint8_t *out = outp;
for( size_t i = 0; i < samples; i++ )
{
uint32_t s = *(in++);
*(out++) = (s >> 24);
*(out++) = (s >> 16);
*(out++) = (s >> 8);
}
}
static void S24LEncode( void *outp, const uint8_t *inp, unsigned samples )
{
const uint32_t *in = (const uint32_t *)inp;
uint8_t *out = outp;
for( size_t i = 0; i < samples; i++ )
{
uint32_t s = *(in++);
*(out++) = (s >> 8);
*(out++) = (s >> 16);
*(out++) = (s >> 24);
}
}
static void U32IEncode( void *outp, const uint8_t *inp, unsigned samples )
{
const uint32_t *in = (const uint32_t *)inp;
uint32_t *out = outp;
for( size_t i = 0; i < samples; i++ )
*(out++) = bswap32( *(in++) + 0x80000000 );
}
static void U32NEncode( void *outp, const uint8_t *inp, unsigned samples )
{
const uint32_t *in = (const uint32_t *)inp;
uint32_t *out = outp;
for( size_t i = 0; i < samples; i++ )
*(out++) = *(in++) + 0x80000000;
}
static void S32IEncode( void *outp, const uint8_t *inp, unsigned samples )
{
const int32_t *in = (const int32_t *)inp;
int32_t *out = outp;
for( size_t i = 0; i < samples; i++ )
*(out++) = bswap32( *(in++) );
}
static void F32IEncode( void *outp, const uint8_t *inp, unsigned samples )
{
const float *in = (const float *)inp;
uint8_t *out = outp;
for( size_t i = 0; i < samples; i++ )
{
union { float f; uint32_t u; char b[4]; } s;
s.f = *(in++);
s.u = bswap32( s.u );
memcpy( out, s.b, 4 );
out += 4;
}
}
static void F64IEncode( void *outp, const uint8_t *inp, unsigned samples )
{
const double *in = (const double *)inp;
uint8_t *out = outp;
for( size_t i = 0; i < samples; i++ )
{
union { double d; uint64_t u; char b[8]; } s;
s.d = *(in++);
s.u = bswap64( s.u );
memcpy( out, s.b, 8 );
out += 8;
}
}
static block_t *Encode( encoder_t *enc, block_t *in )
{
if( in == NULL )
return NULL;
block_t *out = block_Alloc( in->i_nb_samples
* enc->fmt_out.audio.i_bytes_per_frame );
if( unlikely(out == NULL) )
return NULL;
out->i_flags = in->i_flags;
out->i_nb_samples = in->i_nb_samples;
out->i_dts = in->i_dts;
out->i_pts = in->i_pts;
out->i_length = in->i_length;
void (*encode)(void *, const uint8_t *, unsigned) = (void *)enc->p_sys;
if( encode != NULL )
encode( out->p_buffer, in->p_buffer, in->i_nb_samples
* enc->fmt_out.audio.i_channels );
else {
assert( out->i_buffer >= in->i_buffer );
memcpy( out->p_buffer, in->p_buffer, in->i_buffer );
}
return out;
}
/**
* Probes the PCM audio encoder.
*/
static int EncoderOpen( vlc_object_t *p_this )
{
encoder_t *p_enc = (encoder_t *)p_this;
void (*encode)(void *, const uint8_t *, unsigned) = NULL;
switch( p_enc->fmt_out.i_codec )
{
case VLC_CODEC_S8:
encode = S8Decode;
case VLC_CODEC_U8:
p_enc->fmt_in.i_codec = VLC_CODEC_U8;
p_enc->fmt_out.audio.i_bitspersample = 8;
break;
case VLC_CODEC_U16I:
encode = U16IEncode;
p_enc->fmt_in.i_codec = VLC_CODEC_S16N;
p_enc->fmt_out.audio.i_bitspersample = 16;
break;
case VLC_CODEC_U16N:
encode = U16NEncode;
p_enc->fmt_in.i_codec = VLC_CODEC_S16N;
p_enc->fmt_out.audio.i_bitspersample = 16;
break;
case VLC_CODEC_S16I:
encode = S16IDecode;
case VLC_CODEC_S16N:
p_enc->fmt_in.i_codec = VLC_CODEC_S16N;
p_enc->fmt_out.audio.i_bitspersample = 16;
break;
case VLC_CODEC_U24B:
encode = U24BEncode;
p_enc->fmt_in.i_codec = VLC_CODEC_S32N;
p_enc->fmt_out.audio.i_bitspersample = 24;
break;
case VLC_CODEC_U24L:
encode = U24LEncode;
p_enc->fmt_in.i_codec = VLC_CODEC_S32N;
p_enc->fmt_out.audio.i_bitspersample = 24;
break;
case VLC_CODEC_S24B:
encode = S24BEncode;
p_enc->fmt_in.i_codec = VLC_CODEC_S32N;
p_enc->fmt_out.audio.i_bitspersample = 24;
break;
case VLC_CODEC_S24L:
encode = S24LEncode;
p_enc->fmt_in.i_codec = VLC_CODEC_S32N;
p_enc->fmt_out.audio.i_bitspersample = 24;
break;
case VLC_CODEC_U32I:
encode = U32IEncode;
p_enc->fmt_in.i_codec = VLC_CODEC_S32N;
p_enc->fmt_out.audio.i_bitspersample = 32;
break;
case VLC_CODEC_U32N:
encode = U32NEncode;
p_enc->fmt_in.i_codec = VLC_CODEC_S32N;
p_enc->fmt_out.audio.i_bitspersample = 32;
break;
case VLC_CODEC_S32I:
encode = S32IEncode;
case VLC_CODEC_S32N:
p_enc->fmt_in.i_codec = VLC_CODEC_S32N;
p_enc->fmt_out.audio.i_bitspersample = 32;
break;
#ifdef WORDS_BIGENDIAN
case VLC_CODEC_F32L:
#else
case VLC_CODEC_F32B:
#endif
encode = F32IEncode;
case VLC_CODEC_FL32:
p_enc->fmt_in.i_codec = VLC_CODEC_FL32;
p_enc->fmt_out.audio.i_bitspersample = 32;
break;
#ifdef WORDS_BIGENDIAN
case VLC_CODEC_F64L:
#else
case VLC_CODEC_F64B:
#endif
encode = F64IEncode;
case VLC_CODEC_FL64:
p_enc->fmt_in.i_codec = VLC_CODEC_FL64;
p_enc->fmt_out.audio.i_bitspersample = 64;
break;
default:
return VLC_EGENERIC;
}
p_enc->p_sys = (void *)encode;
p_enc->pf_encode_audio = Encode;
p_enc->fmt_out.audio.i_bytes_per_frame =
(p_enc->fmt_out.audio.i_bitspersample / 8) *
p_enc->fmt_in.audio.i_channels;
p_enc->fmt_out.i_bitrate =
p_enc->fmt_in.audio.i_channels *
p_enc->fmt_in.audio.i_rate *
p_enc->fmt_out.audio.i_bitspersample;
msg_Dbg( p_enc, "samplerate:%dHz channels:%d bits/sample:%d",
p_enc->fmt_out.audio.i_rate, p_enc->fmt_out.audio.i_channels,
p_enc->fmt_out.audio.i_bitspersample );
return VLC_SUCCESS;
}
#endif /* ENABLE_SOUT */
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